/*
 * Copyright (C) 2023 Square, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package app.cash.molecule

import kotlinx.cinterop.alloc
import kotlinx.cinterop.memScoped
import kotlinx.cinterop.ptr
import platform.posix.CLOCK_MONOTONIC_RAW
import platform.posix.clock_gettime
import platform.posix.timespec

internal actual inline fun nanoTime(): Long = memScoped {
  val timespec = alloc<timespec>()
  clock_gettime(CLOCK_MONOTONIC_RAW, timespec.ptr)
  timespec.tv_nsec * 1_000_000L + timespec.tv_nsec
}
